PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

26-3790Bellows,protection

The Boeing Company Div Legacy Wichita · NSN 5342-00-541-7585 · FSC 5342 · Mount,resilient,weapon System
Verified by PartsTable
NSN 5342-00-541-7585 — this item is cataloged by the U.S. Government under National Stock Number 5342-00-541-7585. Primary manufacturer part number: 26-3790.
Features
  • Bellows,protection — FSC 5342
  • FSC Application Data: TORSION BAR INSTALLATION,AIRCRAFT
  • Extended Length: 1.170 INCHES NOMINAL IN
  • Large End Outside Diameter: 1.970 INCHES NOMINAL IN
  • Thickness Between Ends: 0.020 INCHES NOMINAL IN
  • Durometer Hardness Rating: 50.0 MINIMUM AND 70.0 MAXIMUM
  • Small End Inside Diameter: 0.400 INCHES NOMINAL IN
  • Large End Inside Diameter: 1.300 INCHES NOMINAL IN
Applications
  • Applications requiring Rubber Synthetic construction
General Description

The Bellows,protection, cataloged under National Stock Number 5342-00-541-7585, is classified within Federal Supply Class 5342 (Mount,resilient,weapon System) of the Hardware and Abrasives group. The primary manufacturer of record is The Boeing Company Div Legacy Wichita. Government technical data includes 12 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5342-00-541-7585
Primary Part Number26-3790
Item NameBellows,protection
FSC / FSG5342 / 53 — Mount,resilient,weapon System
ManufacturerThe Boeing Company Div Legacy Wichita
StatusACTIVE
FSC Application DataTORSION BAR INSTALLATION,AIRCRAFT
Extended Length1.170 INCHES NOMINAL IN
Large End Outside Diameter1.970 INCHES NOMINAL IN
Thickness Between Ends0.020 INCHES NOMINAL IN
Durometer Hardness Rating50.0 MINIMUM AND 70.0 MAXIMUM
Small End Inside Diameter0.400 INCHES NOMINAL IN
Large End Inside Diameter1.300 INCHES NOMINAL IN
Small End Outside Diameter1.500 INCHES NOMINAL IN
Thickness at Both Ends0.090 INCHES NOMINAL IN
Contracted Length0.170 INCHES NOMINAL IN
MaterialRUBBER SYNTHETIC
Neutral Length0.670 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 1
6520-01-585-9026263790 INTERCHANGEABLE
Cleaning Kit,chuck,dental Handpi
Dentalez, Inc. Dba Star Dental
Cross-Reference Index
Part NumberManufacturer
26-3790 The Boeing Company Div Defense (USA)
26-3790 PRIMARY The Boeing Company Div Legacy Wichita (USA)
Related Parts
6520-01-585-9026INTERCHANGEABLE
CLEANING KIT,CHUCK,DENTAL HANDPI
263790

Frequently Asked Questions

What is NSN 5342-00-541-7585?

NSN 5342-00-541-7585 is a Bellows,protection, manufactured by The Boeing Company Div Legacy Wichita, classified under FSC 5342 (Mount,resilient,weapon System). Status: active.

What are the part numbers for NSN 5342-00-541-7585?

NSN 5342-00-541-7585 has 2 cross-referenced part numbers: 26-3790 (The Boeing Company Div Defense), 26-3790 (The Boeing Company Div Legacy Wichita).

What NSN replaces 5342-00-541-7585?

There is 1 known substitute for 5342-00-541-7585: 6520-01-585-9026. Verify interchangeability with system specifications before substitution.

What are the specifications of 26-3790?

Key specifications for 26-3790: FSC Application Data: TORSION BAR INSTALLATION,AIRCRAFT; Extended Length: 1.170 INCHES NOMINAL IN; Large End Outside Diameter: 1.970 INCHES NOMINAL IN; Thickness Between Ends: 0.020 INCHES NOMINAL IN. 12 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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